Index: trunk/styles/standard/elemstyles.mapcss
===================================================================
--- trunk/styles/standard/elemstyles.mapcss	(revision 13156)
+++ trunk/styles/standard/elemstyles.mapcss	(revision 13218)
@@ -297,5 +297,5 @@
     dashes: 2,2;
 }
-area[building][!building?!] {
+area[building][!building?!][building!=y][building!=1] {
     fill-color: building#cb9999;
 }